221300830126 has 8 divisors (see below), whose sum is σ = 332070275160. Its totient is φ = 110610738408.

The previous prime is 221300830123. The next prime is 221300830141. The reversal of 221300830126 is 621038003122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 221300830094 and 221300830103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221300830123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19831356 + ... + 19842511.

It is an arithmetic number, because the mean of its divisors is an integer number (41508784395).

Almost surely, 2^221300830126 is an apocalyptic number.

221300830126 is a deficient number, since it is larger than the sum of its proper divisors (110769445034).

221300830126 is a wasteful number, since it uses less digits than its factorization.

221300830126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39676658.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 221300830126 its reverse (621038003122), we get a palindrome (842338833248).

The spelling of 221300830126 in words is "two hundred twenty-one billion, three hundred million, eight hundred thirty thousand, one hundred twenty-six".